– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Sat 10 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sat 10 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 10 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 68mm), heaviest during Mon afternoon. Very mild (max 10°C on Mon night, min 4°C on Sat afternoon). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Very mild (max 13°C on Tue morning, min 4°C on Wed night). Wind will be generally light. | |||||||||||||||||
Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  |  |  |  | | |  | | | | |
light rain | mod. rain | heavy rain | mod. rain | mod. rain | heavy rain | mod. rain | heavy rain | mod. rain | rain shwrs | clear | clear | rain shwrs | light rain | rain shwrs | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.9 | 6 | 11 | 7 | 5 | 11 | 9 | 13 | 6 | 0.1 | — | — | 0.2 | 0.9 | 0.9 | — | — | — | |
max °C | 7 | 7 | 5 | 6 | 7 | 9 | 9 | 9 | 10 | 13 | 11 | 10 | 10 | 9 | 7 | 9 | 8 | 8 |
min °C | 6 | 4 | 4 | 5 | 6 | 7 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 4 | 6 | 7 | 7 |
4 | 1 | 2 | 3 | 4 | 4 | 7 | 8 | 8 | 10 | 10 | 9 | 8 | 7 | 4 | 6 | 6 | 6 | |
1850 | 1800 | 1600 | 1400 | 2100 | 2300 | 2400 | 2600 | 2650 | 2600 | 3150 | 3350 | 2650 | 2000 | 1450 | 2500 | 2800 | 3000 | |
Cloud base (m) | 3150 | 2800 | 600 | 600 | 600 | 600 | 600 | 600 | 700 | 650 | 750 | 800 | 650 | 8700 | 8850 | |||
 | 7:58 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:54 | — | — |
 | — | 4:32 | — | — | 4:34 | — | — | 4:35 | — | — | 4:37 | — | — | 4:37 | — | — | 4:39 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 68mm), heaviest during Mon afternoon. Very mild (max 10°C on Mon night, min 4°C on Sat afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Wed night. Very mild (max 13°C on Tue morning, min 4°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.